| BRISTLIER | • bristlier adj. Comparative form of bristly: more bristly. • BRISTLY adj. stiffly erect. |
| CRITERIAL | • criterial adj. Which is based on, pertains to, or constitutes criteria. • CRITERIAL adj. relating to a criterion. |
| GRISTLIER | • gristlier adj. Comparative form of gristly: more gristly. • GRISTLY adj. containing gristle. |
| INTERRAIL | • interrail v. To travel using the InterRail rail pass. • INTERRAIL v. to travel between cities by train. |
| IRREALITY | • irreality n. (Uncommon) Unreality. • IRREALITY n. unreality. |
| IRRITABLE | • irritable adj. Capable of being irritated. • irritable adj. Easily exasperated or excited. • irritable adj. (Medicine) Responsive to stimuli. |
| IRRITABLY | • irritably adv. In an irritable manner. • IRRITABLE adv. easily provoked. |
| LITTERIER | • LITTERY adj. covered or encumbered with litter. |
| THRILLIER | • thrillier adj. Comparative form of thrilly: more thrilly. • THRILLY adj. full of thrills. |
| TIGERLIER | • TIGERLY adj. having the manner of a tiger. |
| TRICKLIER | • TRICKLY adj. marked by trickling. |
| TRIFORIAL | • TRIFORIAL adj. relating to a triforium. |
| TRILINEAR | • trilinear adj. Having, or bounded by, three lines. • trilinear n. (Mathematics) A triple (x, y, z) of the algebraic distances of a point to each side of a surrounding triangle. • TRILINEAR adj. of, pertaining to, or included by, three lines; as, trilinear coordinates. |
| TRIRADIAL | • triradial adj. Radiating outward in three directions. • TRIRADIAL adj. three-rayed, also TRIRADIATE. |
| TRISERIAL | • triserial adj. Arranged in three series. • TRISERIAL adj. arranged in three rows or series. |